secwatch.observer — SEC 8-K summary
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Issuer:     BIOGEN INC. (BIIB)
CIK:        0000875045
Form:       8-K
Filed at:   2026-03-11T23:59:59+00:00
Accession:  0000950157-26-000280
Event type: leadership
Sentiment:  neutral
Materiality: 0.65
Item codes: 5.02
LLM model:  deepseek-v4-flash:cloud@v2

Biogen Chief Legal Officer Susan H. Alexander to depart end of May 2026
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- Susan H. Alexander, Chief Legal Officer, will leave Biogen effective end of May 2026.
- Company has initiated a search to identify the next Chief Legal Officer.
- No interim successor has been named at this time.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/875045/000095015726000280/0000950157-26-000280-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/875045/000095015726000280/form8-k.htm
  HTML page:      https://secwatch.observer/filing/0000950157-26-000280

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